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Rails Migration: Remove constraint
I have a table in a Rails application which (in schema.rb) looks like:
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How to remove selected commit log entries from a Git repository while keeping their changes?
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git-rebase(1) does exactly that.
$ git rebase -i HEAD~5
git awsom>me m>-ness [git rebase --interactive] contains an example.
Don't use git-rebase on public (remote) commits.
Make sure your working directory is clean (commit or stash your current changes).
Run the above command. It launches y...
What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause som>me m> old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
Making interface implem>me m>ntations async
I’m currently trying to make my application using som>me m> Async m>me m>thods.
All my IO is done through explicit implem>me m>ntations of an interface and I am a bit confused about how to make the operations async.
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How can I tell which hom>me m>brew formulae are upgradable?
I know when I brew update , it lists all ==> Updated Formulae , but when I've updated several tim>me m>s without running brew upgrade , how do I get a list of all apps that could be upgraded?
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Java Mouse Event Right Click
On my three button mouse MouseEvent.BUTTON2 = Middle Click and MouseEvent.BUTTON3 = Right Click.
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How to set std::tuple elem>me m>nt by index?
One can get an elem>me m>nt from std::tuple by index using std::get .
Analogically, how to set tuple's elem>me m>nt by index?
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Removing ul indentation with CSS
I cannot seem to remove the indent from my unordered list when long lines in my list wrap around. Here is what my list looks like:
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MySQL load NULL values from CSV data
I have a file that can contain from 3 to 4 columns of num>me m>rical values which are separated by comma. Empty fields are defined with the exception when they are at the end of the row:
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Bare asterisk in function argum>me m>nts?
What does a bare asterisk in the argum>me m>nts of a function do?
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